Counter-Strike
15.3 hrs last two weeks / 448.4 hrs on record
Left 4 Dead
1 hrs last two weeks / 46.1 hrs on record
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Condition Zero
Condition Zero Deleted Scenes
Counter-Strike: Source
3.6 hrs on record
Half-Life 2
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Killing Floor
18.1 hrs on record
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead 2
19.1 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead Authoring Tools
Portal
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Source SDK
Team Fortress 2
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